/usr/include/qgis/qgsrendererv2widget.h is in libqgis-dev 2.4.0-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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qgsrendererv2widget.h
---------------------
begin : November 2009
copyright : (C) 2009 by Martin Dobias
email : wonder dot sk at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSRENDERERV2WIDGET_H
#define QGSRENDERERV2WIDGET_H
#include <QWidget>
#include <QMenu>
#include "qgssymbolv2.h"
class QgsVectorLayer;
class QgsStyleV2;
class QgsFeatureRendererV2;
class QgsSymbolV2SelectorDialog;
/**
Base class for renderer settings widgets
WORKFLOW:
- open renderer dialog with some RENDERER (never null!)
- find out which widget to use
- instantiate it and set in stacked widget
- on any change of renderer type, create some default (dummy?) version and change the stacked widget
- when clicked ok/apply, get the renderer from active widget and clone it for the layer
*/
class GUI_EXPORT QgsRendererV2Widget : public QWidget
{
Q_OBJECT
public:
QgsRendererV2Widget( QgsVectorLayer* layer, QgsStyleV2* style );
virtual ~QgsRendererV2Widget() {}
//! return pointer to the renderer (no transfer of ownership)
virtual QgsFeatureRendererV2* renderer() = 0;
//! show a dialog with renderer's symbol level settings
void showSymbolLevelsDialog( QgsFeatureRendererV2* r );
protected:
QgsVectorLayer* mLayer;
QgsStyleV2* mStyle;
QMenu* contextMenu;
QAction* mCopyAction;
QAction* mPasteAction;
/**Subclasses may provide the capability of changing multiple symbols at once by implementing the following two methods
and by connecting the slot contextMenuViewCategories(const QPoint&)*/
virtual QList<QgsSymbolV2*> selectedSymbols() { return QList<QgsSymbolV2*>(); }
virtual void refreshSymbolView() {}
protected slots:
void contextMenuViewCategories( const QPoint& p );
/**Change color of selected symbols*/
void changeSymbolColor();
/**Change opacity of selected symbols*/
void changeSymbolTransparency();
/**Change units mm/map units of selected symbols*/
void changeSymbolUnit();
/**Change line widths of selected symbols*/
void changeSymbolWidth();
/**Change marker sizes of selected symbols*/
void changeSymbolSize();
virtual void copy() {}
virtual void paste() {}
};
////////////
#include <QObject>
class QMenu;
class QgsField;
class QgsFields;
/**
Utility class for providing GUI for data-defined rendering.
*/
class QgsRendererV2DataDefinedMenus : public QObject
{
Q_OBJECT
public:
QgsRendererV2DataDefinedMenus( QMenu* menu, QgsVectorLayer* layer, QString rotationField, QString sizeScaleField, QgsSymbolV2::ScaleMethod scaleMethod );
~QgsRendererV2DataDefinedMenus();
void populateMenu( QMenu* menu, QString fieldName, QActionGroup *actionGroup );
#if 0
void updateMenu( QActionGroup* actionGroup, QString fieldName );
#endif
public slots:
void rotationFieldSelected( QAction *a );
void sizeScaleFieldSelected( QAction *a );
void scaleMethodSelected( QAction *a );
signals:
void rotationFieldChanged( QString fldName );
void sizeScaleFieldChanged( QString fldName );
void scaleMethodChanged( QgsSymbolV2::ScaleMethod scaleMethod );
protected:
QMenu* mRotationMenu;
QMenu* mSizeScaleMenu;
QActionGroup *mSizeMethodActionGroup;
QActionGroup *mRotationAttributeActionGroup;
QActionGroup *mSizeAttributeActionGroup;
QgsVectorLayer* mLayer;
};
#endif // QGSRENDERERV2WIDGET_H
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